draw a pair of tangents to a circle of radius 5cm which are inclined to each other at an angle 60
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a) Draw a circle of radius 5 cm and whose centre is at O
b) Select a point B on the circle and Draw OB
c) From Ob, draw an angle BOC equal to 60 + 60 = 120 degrees
d) Select an external point A.
e) Draw AC perpendicular to OC
f) Draw AB perpendicular to OB
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